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jonathanmagana112002
22.04.2020 •
Mathematics
Please help I don't understand what to do
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Ответ:
31
Step-by-step explanation
Minus 149 from 180
Ответ:
31 degrees
Step-by-step explanation:
A to C is a 180 degree angle because its half of a circle so to find the missing degree you needed to subtract 149 by 180 which gives you 31 degrees.
Ответ:
71.43% conditional probability that she will survive to 80 years
Step-by-step explanation:
We have these two following events.
Event A:
Living to be 70. So P(A) = 0.7
Event B:
Living to be 80. So P(B) = 0.5
The conditional probability formula is given by:
In which P(B|A) is the probability of B happening given that A has happened and
is the probability of both events happening.
(a) If a woman from that country is 70 years old, what is the conditional probability that she will survive to 80 years
If a person lives to be 80, she must have lived to be 70. So![P(A \cap B) = 0.5](/tpl/images/0549/0720/2e218.png)
71.43% conditional probability that she will survive to 80 years